Mounting Fixings – Mouser Denmark

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Ultrasonic/Heat Staking Inserts

SI (Standard Inserts) Ultrasonic/Heat Staking Inserts are hexagonal-shaped body inserts that provide rotational torque resistance and knurling provides torque out resistance. The heat staking inserts are installed by pressing the insert into the mounting hole with a thermal press to melt the plastic surrounding the insert. The SI^® brand inserts employ press-in and heat/ultrasonic installation methods to provide strong, reusable, and permanent threads in plastic. These SI^® inserts are available in brass, stainless steel, and aluminum. The applications include wearables, smartphones, handheld devices, automotive, aerospace and defense, medical, transportation, industrial, and recreational equipment.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Material	Mounting Hole Size	Length	Outside Diameter	Thread Size	Packaging
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-024-1 SI 1: 5,52 kr. 380In Stock	Mfr. Part No. IUC-024-1 Mouser Part No 153-IUC-024-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	380In Stock	5,52 kr. 4,10 kr. 3,23 kr. 2,74 kr. View 2,64 kr. 2,60 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.267 in	0.225 in	0.297 in	10-24
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-256-1 SI 1: 3,08 kr. 5.924In Stock	Mfr. Part No. IUC-256-1 Mouser Part No 153-IUC-256-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	5.924In Stock	3,08 kr. 2,18 kr. 1,75 kr. 1,57 kr. View 1,46 kr. 1,42 kr. 1,34 kr. 1,31 kr. 1,26 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.118 in	0.115 in	0.141 in	2-56
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-M6 SI 1: 5,20 kr. 841In Stock 10.000Expected 08/02/2027	Mfr. Part No. IUTB-M6 Mouser Part No 153-IUTB-M6	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	841In Stock 10.000Expected 08/02/2027	5,20 kr. 3,69 kr. 2,95 kr. 2,78 kr. View 2,36 kr. 2,26 kr. 2,22 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	8.03 mm	12.7 mm	8.69 mm	M6
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-632-150 SI 1: 5,26 kr. 230In Stock	Mfr. Part No. IUTC-632-150 Mouser Part No 153-IUTC-632-150	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	230In Stock	5,26 kr. 3,78 kr. 3,02 kr. 2,72 kr. View 2,53 kr. 2,45 kr. 2,31 kr. 2,27 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.189 in	0.15 in	0.21 in	6-32
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-M2.5 SI 1: 3,60 kr. 6.506In Stock	Mfr. Part No. IUTFB-M2.5 Mouser Part No 153-IUTFB-M2.5	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	6.506In Stock	3,60 kr. 2,59 kr. 2,07 kr. 1,86 kr. View 1,72 kr. 1,68 kr. 1,58 kr. 1,55 kr. 1,49 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	4.01 mm	5.74 mm	5.54 mm	M2.5	Bulk
Mounting Fixings ISC-0420 DBL ENDED NUT ISC-0420 SI 1: 8,95 kr. 13.412In Stock	Mfr. Part No. ISC-0420 Mouser Part No 153-ISC-0420	SI	Mounting Fixings ISC-0420 DBL ENDED NUT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	13.412In Stock	8,95 kr. 6,67 kr. 5,18 kr. 4,88 kr. View 4,77 kr. 4,61 kr. 4,45 kr. 4,29 kr. Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Nut, Double Ended	Stainless Steel	0.315 in	0.5 in	0.338 in	1/4-20
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M8-2 SI 1: 16,71 kr. 1.160In Stock	Mfr. Part No. IUC-M8-2 Mouser Part No 153-IUC-M8-2	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.160In Stock	16,71 kr. 12,53 kr. 9,77 kr. 9,10 kr. View 8,95 kr. 8,58 kr. 8,36 kr. 8,06 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	10.19 mm	14.27 mm	11.91 mm	M8
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-024 SI 1: 6,99 kr. 1.487In Stock	Mfr. Part No. IUTC-024 Mouser Part No 153-IUTC-024	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.487In Stock	6,99 kr. 5,19 kr. 4,04 kr. 3,81 kr. View 3,72 kr. 3,60 kr. 3,47 kr. 3,35 kr. 3,30 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.253 in	0.375 in	0.273 in	10-24
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-0616-2 SI 1: 11,19 kr. 925In Stock	Mfr. Part No. IUB-0616-2 Mouser Part No 153-IUB-0616-2	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	925In Stock	11,19 kr. 8,36 kr. 6,54 kr. 6,11 kr. View 5,98 kr. 5,77 kr. 5,57 kr. 5,38 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.488 in	0.625 in	0.563 in	3/8-16
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-0518-1 SI 1: 16,56 kr. 915In Stock	Mfr. Part No. IUC-0518-1 Mouser Part No 153-IUC-0518-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	915In Stock	16,56 kr. 12,38 kr. 9,62 kr. 8,95 kr. View 8,88 kr. 8,50 kr. 8,21 kr. 7,98 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.431 in	0.335 in	0.469 in	5/16-18
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-0616-1 SI 1: 11,41 kr. 919In Stock	Mfr. Part No. IUB-0616-1 Mouser Part No 153-IUB-0616-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	919In Stock	11,41 kr. 8,50 kr. 6,67 kr. 6,21 kr. View 6,08 kr. 5,88 kr. 5,68 kr. 5,48 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.523 in	0.375 in	0.563 in	3/8-16
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-0616 SI 1: 11,41 kr. 1.644In Stock	Mfr. Part No. IUTC-0616 Mouser Part No 153-IUTC-0616	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.644In Stock	11,41 kr. 8,50 kr. 6,67 kr. 6,24 kr. View 6,11 kr. 5,90 kr. 5,70 kr. 5,49 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.468 in	0.5 in	0.509 in	3/8-16
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-632 SI 1: 5,07 kr. 8.105In Stock	Mfr. Part No. IUTC-632 Mouser Part No 153-IUTC-632	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8.105In Stock	5,07 kr. 3,56 kr. 2,86 kr. 2,69 kr. View 2,28 kr. 2,18 kr. 2,13 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.189 in	0.281 in	0.21 in	6-32
Mounting Fixings HI-TORQUE INSERT IUTA-M3 SI 1: 2,05 kr. 14.290In Stock 17.000Expected 21/12/2026	Mfr. Part No. IUTA-M3 Mouser Part No 153-IUTA-M3	SI	Mounting Fixings HI-TORQUE INSERT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	14.290In Stock 17.000Expected 21/12/2026	2,05 kr. 1,48 kr. 1,18 kr. 1,07 kr. View 0,985 kr. 0,962 kr. 0,903 kr. 0,888 kr. 0,85 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	4.01 mm	5.74 mm	4.55 mm	M3
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M5-572 SI 1: 5,71 kr. 9.405In Stock	Mfr. Part No. IUTC-M5-572 Mouser Part No 153-IUTC-M5-572	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 5.72X6.27 M5 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9.405In Stock	5,71 kr. 4,23 kr. 3,33 kr. 2,83 kr. View 2,82 kr. 2,73 kr. 2,69 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	6.43 mm	5.72 mm	6.93 mm	M5
Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 7.62X7.87 M6 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M6-762 SI 1: 7,76 kr. 4.715In Stock	Mfr. Part No. IUTC-M6-762 Mouser Part No 153-IUTC-M6-762	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL 7.62X7.87 M6 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	4.715In Stock	7,76 kr. 5,76 kr. 4,54 kr. 3,85 kr. View 3,72 kr. Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	8.03 mm	7.62 mm	8.69 mm	M6
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-M4-1 SI 1: 3,85 kr. 9.895In Stock	Mfr. Part No. IUC-M4-1 Mouser Part No 153-IUC-M4-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9.895In Stock	3,85 kr. 2,73 kr. 2,19 kr. 2,06 kr. View 1,75 kr. 1,67 kr. 1,63 kr. 1,58 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	5.74 mm	4.7 mm	6.35 mm	M4
Mounting Fixings ULTRASONIC INSERT, AL IUA-M3-1 SI 1: 1,67 kr. 8.832In Stock	Mfr. Part No. IUA-M3-1 Mouser Part No 153-IUA-M3-1	SI	Mounting Fixings ULTRASONIC INSERT, AL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8.832In Stock	1,67 kr. 1,16 kr. 0,925 kr. 0,873 kr. View 0,731 kr. 0,701 kr. 0,686 kr. 0,664 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	3.89 mm	3.43 mm	4.37 mm	M3
Mounting Fixings HI-TORQUE INSERT IUTA-M2.5 SI 1: 2,37 kr. 7.249In Stock	Mfr. Part No. IUTA-M2.5 Mouser Part No 153-IUTA-M2.5	SI	Mounting Fixings HI-TORQUE INSERT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	7.249In Stock	2,37 kr. 1,66 kr. 1,33 kr. 1,25 kr. View 1,06 kr. 1,01 kr. 0,985 kr. 0,955 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	4.01 mm	5.74 mm	4.55 mm	M2.5
Mounting Fixings ISB-M5 DBL ENDED NUT ISB-M5 SI 1: 5,20 kr. 1.130In Stock	Mfr. Part No. ISB-M5 Mouser Part No 153-ISB-M5	SI	Mounting Fixings ISB-M5 DBL ENDED NUT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.130In Stock	5,20 kr. 3,87 kr. 3,01 kr. 2,84 kr. View 2,78 kr. 2,69 kr. 2,60 kr. 2,50 kr. 2,46 kr.	Min.: 1 Mult.: 1	Screws & Fasteners	Nut, Double Ended	Brass	6.4 mm	9.52 mm	7.01 mm	M5
Mounting Fixings HI-TORQUE INSERT, ALUMINUM .225X.247 10-24 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-024-225 SI 1: 3,46 kr. 1.000In Stock	Mfr. Part No. IUTA-024-225 Mouser Part No 153-IUTA-024-225	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM .225X.247 10-24 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.000In Stock	3,46 kr. 2,45 kr. 1,97 kr. 1,77 kr. View 1,64 kr. 1,60 kr. 1,51 kr. 1,48 kr. 1,42 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.253 in	0.225 in	0.237 in	10-24
Mounting Fixings HI-TORQUE INSERT, ALUMINUM .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-632-150 SI 1: 2,37 kr. 1.000In Stock	Mfr. Part No. IUTA-632-150 Mouser Part No 153-IUTA-632-150	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM .150X.183 6-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.000In Stock	2,37 kr. 1,69 kr. 1,36 kr. 1,22 kr. View 1,13 kr. 1,10 kr. 1,04 kr. 1,02 kr. 0,985 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.189 in	0.15 in		6-32
Mounting Fixings HI-TORQUE INSERT, ALUMINUM .185X.217 8-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTA-832-185 SI 1: 2,50 kr. 1.000In Stock	Mfr. Part No. IUTA-832-185 Mouser Part No 153-IUTA-832-185	SI	Mounting Fixings HI-TORQUE INSERT, ALUMINUM .185X.217 8-32 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1.000In Stock	2,50 kr. 1,78 kr. 1,43 kr. 1,29 kr. View 1,19 kr. 1,16 kr. 1,10 kr. 1,07 kr. 1,03 kr.	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.223 in	0.185 in		8-32
Mounting Fixings ISA-M4 DBL ENDED NUT ISA-M4 SI 1: 2,82 kr. 400In Stock	Mfr. Part No. ISA-M4 Mouser Part No 153-ISA-M4	SI	Mounting Fixings ISA-M4 DBL ENDED NUT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	400In Stock	2,82 kr. 2,00 kr. 1,60 kr. 1,45 kr. View 1,34 kr. 1,31 kr. 1,22 kr. 1,20 kr. 1,16 kr.	Min.: 1 Mult.: 1	Screws & Fasteners	Nut, Double Ended	Aluminum	5.62 mm	8.15 mm	6.22 mm	M4
Mounting Fixings ISB-0420 DBL ENDED NUT ISB-0420 SI 1: 5,84 kr. 776In Stock	Mfr. Part No. ISB-0420 Mouser Part No 153-ISB-0420	SI	Mounting Fixings ISB-0420 DBL ENDED NUT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	776In Stock	5,84 kr. 4,15 kr. 3,32 kr. 2,99 kr. View 2,78 kr. 2,70 kr. 2,54 kr. 2,49 kr. Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Nut, Double Ended	Brass	0.315 in	0.5 in	0.338 in	1/4-20